/*清除默认样式*/
.clearfix {
  *zoom: 1;
}

.clearfix:before, .clearfix:after {
  content: " ";
  display: table;
}

.clearfix:after {
  clear: both;
}

body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, p, blockquote, th, td {
  margin: 0;
  padding: 0;
}

ol, li, ul, dl, dt, dd {
  list-style: none;
}

b, em, i {
  display: inline-block;
  font-weight: normal;
  font-style: normal;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

button, submit {
  cursor: pointer;
}

select, button {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  outline-style: none;
  outline-width: 0pt;
  padding: 0;
  margin: 0;
}

